Home / 18,708.26-28,062.38-9,474.26

Finding the Fourth Proportional to 18,708.26, 28,062.38 and 9,474.26

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Solution

The fourth proportional to 18,708.26, 28,062.38 and 9,474.26 is: 14,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.26 : 28,062.38 = 9,474.26 : x
  2. Step 2: Convert to fraction form
    18,708.26/28,062.38 = 9,474.26/x
  3. Step 3: Cross multiply
    18,708.26x = 28,062.38 × 9,474.26
  4. Step 4: Simplify right side
    18,708.26x = 265,870,284.34
  5. Step 5: Solve for x
    x = 265,870,284.34/18,708.26
  6. Step 6: Final answer
    x = 14,211.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.